Figures & data
Figure 1. PRISMA flowchart (source: Moher et al., Citation2009).
![Figure 1. PRISMA flowchart (source: Moher et al., Citation2009).](/cms/asset/8b1766c0-4add-4704-a4de-adb4010effca/oabm_a_2321877_f0001_c.jpg)
Table 1. Database search and search strings.
Table 2. Articles included in this review.
Table 3. Other included review materials.
Table 4. Selected studies and their relation to the research question.